| BFO | balanced forearm orthosis; ball-bearing forearm orthosis; blood-forming organ |
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| LABV | left atrial ball valve |
| PCP | 1) Phencyclidine = Angel Dust 2) Pneumocystis ... |
| Dpt | house dust mite |
| HD | Haab-Dimmer [syndrome]; Hajna-Damon [broth]; Hansen disease; hearing distance; heart disease; helix ... |
| HDM | House Dust Mite |
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| HD | House dust |
| ODTS | Organic Dust Toxic Syndrome |
| dust ball | A mass sometimes found in the stomach or intestine of an animal fed on mill cleanings. (05 Mar 2000) |
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| blood dust | Small refractive particles in the circulating blood, probably lipid material associated with fragmented stroma from red blood cells. Synonym: blood dust, blood motes, dust corpuscles. Origin: haemo-+ G. Konis, dust (05 Mar 2000) |
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| coal dust | <chest medicine> Fine particulate coal dust that is a known respiratory irritant. Coal dust is the underlying cause of the occupational lung disease known as black lung. (27 Sep 1997) |
| cosmic dust | <astronomy> Finely divided solid matter with particle sizes smaller than a micrometeorite, thus with diameters much smaller than a millimeter, moving in interplanetary space. (12 Dec 1998) |
| cotton-dust asthma | <chest medicine> Exposures to cotton dust during the production of yarns, linen and rope can produce chronic obstructive lung disease (after 10 years). Early symptoms include chest tightness. Treatment includes bronchodilators and removal from work environment. (21 Mar 1998) |
| silica dust | Fine particulate dust from quartz rock that is known to cause a progressive lung injury over long-term. See: pneumoconiosis. (27 Sep 1997) |
| dust | 1. Fine, dry particles of earth or other matter, so comminuted that they may be raised and wafted by the wind; that which is crumbled too minute portions; fine powder; as, clouds of dust; bone dust. "Dust thou art, and unto dust shalt thou return." (Gen. Iii. 19) "Stop! for thy tread is on an empire's dust." (Byron) 2. A single particle of earth or other matter. "To touch a dust of England's ground." 3. The earth, as the resting place of the dead. "For now shall sleep in the dust." (Job vii. 21) 4. The earthy remains of bodies once alive; the remains of the human body. "And you may carve a shrine about my dust." (Tennyson) 5. Figuratively, a worthless thing. "And by the merit of vile gold, dross, dust." (Shak) 6. Figuratively, a low or mean condition. "[God] raiseth up the poor out of the dust." (1 Sam. Ii. 8) 7. Gold dust; hence: Coined money; cash. Down with the dust, deposit the cash; pay down the money. "My lord, quoth the king, presently deposit your hundred pounds in gold, or else no going hence all the days of your life. . . . The Abbot down with his dust, and glad he escaped so, returned to Reading." . <botany> Dust brand, a fungous plant (Ustilago Carbo); called also smut. Gold dust, fine particles of gold, such as are obtained in placer mining; often used as money, being transferred by weight. In dust and ashes. See Ashes. To bite the dust. See Bite, To raise, or kick up, dust, to make a commotion. To throw dust in one's eyes, to mislead; to deceive. Origin: AS. Dust; cf. LG. Dust, D. Duist meal dust, OD. Doest, donst, and G. Dunst vapor, OHG. Tunist, dunist, a blowing, wind, Icel. Dust dust, Dan. Dyst mill dust; perh. Akin to L. Fumus smoke, E. Fume. Source: Websters Dictionary (01 Mar 1998) |
| dust asthma | Asthma aggravated by inhalation of dust, especially seen as occupational disease resulting from cotton dust. (05 Mar 2000) |
| dust cell | Macrophage found in lung and that can be obtained by lung lavage, responsible for clearance of inhaled particles and lung surfactant. Metabolism slightly different from peritoneal macrophages (more oxidative metabolism), often have multivesicular bodies that may represent residual undigested lung surfactant. (18 Nov 1997) |
| dust corpuscles | Small refractive particles in the circulating blood, probably lipid material associated with fragmented stroma from red blood cells. Synonym: blood dust, blood motes, dust corpuscles. Origin: haemo-+ G. Konis, dust (05 Mar 2000) |
| ball | 1. Any round or roundish body or mass; a sphere or globe; as, a ball of twine; a ball of snow. 2. A spherical body of any substance or size used to play with, as by throwing, knocking, kicking, etc. 3. A general name for games in which a ball is thrown, kicked, or knocked. See Baseball, and Football. 4. Any solid spherical, cylindrical, or conical projectile of lead or iron, to be discharged from a firearm; as, a cannon ball; a rife ball; often used collectively; as, powder and ball. Spherical balls for the smaller firearms are commonly called bullets. 5. A flaming, roundish body shot into the air; a case filled with combustibles intended to burst and give light or set fire, or to produce smoke or stench; as, a fire ball; a stink ball. 6. A leather-covered cushion, fastened to a handle called a ballstock; formerly used by printers for inking the form, but now superseded by the roller. 7. A roundish protuberant portion of some part of the body; as, the ball of the thumb; the ball of the foot. 8. <veterinary> A large pill, a form in which medicine is commonly given to horses; a bolus. 9. The globe or earth. "Move round the dark terrestrial ball." (Addison) Ball and socket joint, a joint in which a ball moves within a socket, so as to admit of motion in every direction within certain limits. Ball bearings, a mechanical device for lessening the friction of axle bearings by means of small loose metal balls. Ball cartridge, a cartridge containing a ball, as distinguished from a blank cartridge, containing only powder. Ball cock, a faucet or valve which is opened or closed by the fall or rise of a ball floating in water at the end of a lever. Ball gudgeon, a pivot of a spherical form, which permits lateral deflection of the arbor or shaft, while retaining the pivot in its socket. Knight. Ball lever, the lever used in a ball cock. Ball of the eye, the eye itself, as distinguished from its lids and socket; formerly, the pupil of the eye. Ball valve, a sort of iron ore, found in loose masses of a globular form, containing sparkling particles. Three balls, or Three golden balls, a pawnbroker's sign or shop. Synonym: See Globe. Origin: OE. Bal, balle; akin to OHG. Balla, palla, G. Ball, Icel. Bollr, ball; cf. F. Balle. Cf. 1st Bale, Pallmall. 1. <chemistry> To heat in a furnace and form into balls for rolling. 2. To form or wind into a ball; as, to ball cotton. Source: Websters Dictionary (01 Mar 1998) |
| ball-and-socket joint | A multiaxial synovial joint in which a more or less extensive sphere on the head of one bone fits into a rounded cavity in the other bone, as in the hip joint. Synonym: articulatio spheroidea, articulatio cotylica, cotyloid joint, enarthrodial joint, enarthrosis, socket joint, spheroid articulation, spheroid joint. (05 Mar 2000) |
| ball of the foot | The padded portion of the sole, at the anterior extremity of the heads of the metatarsals, upon which the weight rests when the heel is raised. (05 Mar 2000) |
| Ball, Sir Charles | <person> Irish surgeon, 1851-1916. See: Ball's operation. (05 Mar 2000) |
| Ball's operation | Division of the sensory nerve trunks supplying the anus, for relief of pruritus ani. (05 Mar 2000) |
| ball thrombus | An antemortem thrombus found in the left or right atrium usually in certain cases of mitral stenosis. (05 Mar 2000) |
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